Inequalities Review

• A

• B

• C

• D

• F

• G

• H

• J

You flip an inequality symbol when you...

• subtract

• multiply and divide only

• multiple by a negative number

• multiple or divide by a negative number

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥ 

What inequality does the number line graph represent?

• x < 2

• x > 2

• x ≥ 2

• x ≤ 2

Which graph matches the inequalityk < 3?

• A

• B

• C

• D

Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father gave her $10 for mowing the lawn. Which inequality represents the minimum amount of hours she will need to babysit in order for her to buy her calculator?

• 5x + 10 ≥ 100

• 5x - 100 ≥ 10

• 10x + 5 ≤ 100

• 5x + 10 > 100

Do I need to flip my sign?
-3x  ≥ 12

• Yes

• No

• -5

• 10

• -6

• -8
  
  

• -3

What is the solution to the following inequality?

• x > -3

• x < -3

• x< 12

• x > -12